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pashok25 [27]
3 years ago
9

0.4(x + 9) = 8.3 Find x

Mathematics
1 answer:
Paladinen [302]3 years ago
4 0

Answer:

x = 11.75

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Using the Pythagorean Theorem, you know that 3^2 + 4^2 = x^2, so 9 + 16 = x^2, which means that x = the square root of 25, which is 5. Then you add all three lengths of the triangle together to get the round trip. 3 + 4 + 5= 12.

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3 years ago
Show your work plz luv u
atroni [7]

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x=7

Step-by-step explanation:

Step 1: Subtract 4x from both sides.

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Step 2: Subtract 30 from both sides.

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Step 3: Divide both sides by -3.

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<u><em>The sides of a rhombus are all congruent (the same length.)</em></u>

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3 years ago
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